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Finding the Fourth Proportional to 329,027.38, 454,057.98 and 178,124.38

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Solution

The fourth proportional to 329,027.38, 454,057.98 and 178,124.38 is: 245,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,027.38 : 454,057.98 = 178,124.38 : x
  2. Step 2: Convert to fraction form
    329,027.38/454,057.98 = 178,124.38/x
  3. Step 3: Cross multiply
    329,027.38x = 454,057.98 × 178,124.38
  4. Step 4: Simplify right side
    329,027.38x = 80,878,796,171.55
  5. Step 5: Solve for x
    x = 80,878,796,171.55/329,027.38
  6. Step 6: Final answer
    x = 245,811.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.